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Compiler bug while trying to use a Box<dyn T> #138888

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Big-Smarty opened this issue Mar 24, 2025 · 3 comments
Closed

Compiler bug while trying to use a Box<dyn T> #138888

Big-Smarty opened this issue Mar 24, 2025 · 3 comments
Labels
C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@Big-Smarty
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Big-Smarty commented Mar 24, 2025 •
edited
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rustc-ice-2025-03-24T14_51_15-40318.txt

Code

use crate::intersection;
use crate::ray;

//give back the resulting intersection between the input ray and the object and also the scattered ray
pub trait Material: Sync + Send {
    fn scatter(&self, ray: ray::Ray) -> Option<(intersection::Intersection, ray::Ray)> {
        None
    }
}

Meta

rustc --version --verbose:

<version>
rustc 1.87.0-nightly (9fb94b32d 2025-03-10)
binary: rustc
commit-hash: 9fb94b32df38073bf63d009df77ed10cb1c989d0
commit-date: 2025-03-10
host: x86_64-unknown-linux-gnu
release: 1.87.0-nightly
LLVM version: 20.1.0

Error output

<output>
thread 'rustc' panicked at compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs:210:61:
$ident: found ImplItem(ImplItem { ident: material#0, owner_id: DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material), generics: Generics { params: [GenericParam { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).8), def_id: DefId(0:307 ~ rtrs[e135]::primitive::sphere::{impl#0}::material::'_), name: Fresh, span: src/primitive/sphere.rs:47:21: 47:22 (#0), pure_wrt_drop: false, kind: Lifetime { kind: Elided(Ampersand) }, colon_span: None, source: Generics }], predicates: [], has_where_clause_predicates: false, where_clause_span: src/primitive/sphere.rs:47:54: 47:54 (#0), span: src/primitive/sphere.rs:47:20: 47:20 (#0) }, kind: Fn(FnSig { header: FnHeader { safety: Normal(Safe), constness: NotConst, asyncness: NotAsync, abi: Rust }, decl: FnDecl { inputs: [Ty { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).12), span: src/primitive/sphere.rs:47:21: 47:26 (#0), kind: Ref(Lifetime { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).9), ident: '_#0, res: Param(DefId(0:307 ~ rtrs[e135]::primitive::sphere::{impl#0}::material::'_)) }, MutTy { ty: Ty {hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).11), span: src/primitive/sphere.rs:47:22: 47:26 (#0), kind: Path(Resolved(None, Path { span: src/primitive/sphere.rs:47:22: 47:26 (#0), res: SelfTyAlias { alias_to: DefId(0:126 ~ rtrs[e135]::primitive::sphere::{impl#0}), forbid_generic: false, is_trait_impl: false }, segments: [PathSegment { ident: Self#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).10), res: SelfTyAlias { alias_to: DefId(0:126 ~ rtrs[e135]::primitive::sphere::{impl#0}), forbid_generic: false, is_trait_impl: false }, args: None, infer_args: true }] })) }, mutbl: Not }) }], output: Return(Ty { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).13), span: src/primitive/sphere.rs:47:31: 47:54 (#0), kind: Path(Resolved(None, Path { span: src/primitive/sphere.rs:47:31: 47:54 (#0), res: Def(Struct, DefId(3:670 ~ alloc[917b]::boxed::Box)), segments: [PathSegment { ident: Box#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).19), res: Def(Struct, DefId(3:670 ~ alloc[917b]::boxed::Box)), args: Some(GenericArgs { args: [Type(Ty { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).18), span: src/primitive/sphere.rs:47:35: 47:53 (#0), kind: TraitObject([PolyTraitRef { bound_generic_params: [], modifiers: TraitBoundModifiers { constness: Never, polarity: Positive }, trait_ref: TraitRef { path: Path { span: src/primitive/sphere.rs:47:35: 47:53 (#0), res: Def(Trait, DefId(0:114 ~ rtrs[e135]::material::Material)), segments: [PathSegment { ident: material#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).14), res: Def(Mod, DefId(0:111 ~ rtrs[e135]::material)), args: None, infer_args: false }, PathSegment { ident: Material#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).15), res: Def(Trait, DefId(0:114 ~ rtrs[e135]::material::Material)), args: None, infer_args: false }] }, hir_ref_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).16) }, span: src/primitive/sphere.rs:47:35: 47:53 (#0) }], TaggedRef { pointer: Lifetime { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).17), ident: #0, res: ImplicitObjectLifetimeDefault }, tag: None }) })], constraints: [], parenthesized: No, span_ext: src/primitive/sphere.rs:47:34: 47:54 (#0) }), infer_args: false }] })) }), c_variadic: false, implicit_self: RefImm, lifetime_elision_allowed: true }, span: src/primitive/sphere.rs:47:5: 47:54 (#0) }, BodyId { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).7) }), defaultness: Final, span: src/primitive/sphere.rs:47:5: 49:6 (#0), vis_span: src/primitive/sphere.rs:47:5: 47:8 (#0) })
stack backtrace:
   0:     0x7ae7c90139b4 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h0d1f2839602806ff
   1:     0x7ae7c9805a5a - core::fmt::write::h0c7e57e1fb2fde66
   2:     0x7ae7cab860d1 - std::io::Write::write_fmt::h7469fd7bdff7996d
   3:     0x7ae7c9013812 - std::sys::backtrace::BacktraceLock::print::hacdf24c938fbe4de
   4:     0x7ae7c9016138 - std::panicking::default_hook::{{closure}}::he52ba311cf62e2c1
   5:     0x7ae7c9015c57 - std::panicking::default_hook::h3849b4d96fafc882
   6:     0x7ae7c808368f - std[8d48930af2b37499]::panicking::update_hook::<alloc[917be3ddc91b1c2b]::boxed::Box<rustc_driver_impl[cb2ef720636d8c5e]::install_ice_hook::{closure#1}>>::{closure#0}
   7:     0x7ae7c90169a3 - std::panicking::rust_panic_with_hook::hdd2c1ee436bc47e1
   8:     0x7ae7c901669a - std::panicking::begin_panic_handler::{{closure}}::h2d122914997e8086
   9:     0x7ae7c9013e89 - std::sys::backtrace::__rust_end_short_backtrace::hd9079b2f352c9f4f
  10:     0x7ae7c901635d - rust_begin_unwind
  11:     0x7ae7c5a6c570 - core::panicking::panic_fmt::h69773a3e9707cb82
  12:     0x7ae7c8151c31 - rustc_hir[b2623b24b2b871ce]::hir::expect_failed::<&rustc_hir[b2623b24b2b871ce]::hir::Node>
  13:     0x7ae7caad2189 - <dyn rustc_hir_analysis[44b7779f9b34443e]::hir_ty_lowering::HirTyLowerer>::prohibit_or_lint_bare_trait_object_ty
  14:     0x7ae7c9d89962 - <dyn rustc_hir_analysis[44b7779f9b34443e]::hir_ty_lowering::HirTyLowerer>::lower_ty
  15:     0x7ae7c9d86d66 - <dyn rustc_hir_analysis[44b7779f9b34443e]::hir_ty_lowering::HirTyLowerer>::lower_generic_args_of_path::{closure#0}
  16:     0x7ae7c9d8a72b - <dyn rustc_hir_analysis[44b7779f9b34443e]::hir_ty_lowering::HirTyLowerer>::lower_path
  17:     0x7ae7c9d8929a - <dyn rustc_hir_analysis[44b7779f9b34443e]::hir_ty_lowering::HirTyLowerer>::lower_ty
  18:     0x7ae7c9d99fb6 - <dyn rustc_hir_analysis[44b7779f9b34443e]::hir_ty_lowering::HirTyLowerer>::lower_fn_ty
  19:     0x7ae7c9d996de - rustc_hir_analysis[44b7779f9b34443e]::collect::lower_fn_sig_recovering_infer_ret_ty
  20:     0x7ae7c9d97d2e - rustc_hir_analysis[44b7779f9b34443e]::collect::fn_sig
  21:     0x7ae7c9cb11d7 - rustc_query_impl[5838e3d4961b7ce3]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5838e3d4961b7ce3]::query_impl::fn_sig::dynamic_query::{closure#2}::{closure#0}, rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 24usize]>>
  22:     0x7ae7c9cb11ad - <rustc_query_impl[5838e3d4961b7ce3]::query_impl::fn_sig::dynamic_query::{closure#2} as core[c99fea247d116993]::ops::function::FnOnce<(rustc_middle[602e8fb74d6cfd7]::ty::context::TyCtxt, rustc_span[6a00076ff7f7ecaa]::def_id::DefId)>>::call_once
  23:     0x7ae7c9cb2f75 - rustc_query_system[35a24321d428aa9e]::query::plumbing::try_execute_query::<rustc_query_impl[5838e3d4961b7ce3]::DynamicConfig<rustc_query_system[35a24321d428aa9e]::query::caches::DefIdCache<rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 24usize]>>, false, false, false>, rustc_query_impl[5838e3d4961b7ce3]::plumbing::QueryCtxt, false>
  24:     0x7ae7c9cb2674 - rustc_query_impl[5838e3d4961b7ce3]::query_impl::fn_sig::get_query_non_incr::__rust_end_short_backtrace
  25:     0x7ae7c9dac573 - <rustc_hir_analysis[44b7779f9b34443e]::collect::CollectItemTypesVisitor as rustc_hir[b2623b24b2b871ce]::intravisit::Visitor>::visit_impl_item
  26:     0x7ae7c9da4b45 - rustc_hir_analysis[44b7779f9b34443e]::check::wfcheck::check_well_formed
  27:     0x7ae7c9da3011 - rustc_query_impl[5838e3d4961b7ce3]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5838e3d4961b7ce3]::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 1usize]>>
  28:     0x7ae7c9da2ac8 - rustc_query_system[35a24321d428aa9e]::query::plumbing::try_execute_query::<rustc_query_impl[5838e3d4961b7ce3]::DynamicConfig<rustc_data_structures[3750d9ccf695a742]::vec_cache::VecCache<rustc_span[6a00076ff7f7ecaa]::def_id::LocalDefId, rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[35a24321d428aa9e]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[5838e3d4961b7ce3]::plumbing::QueryCtxt, false>
  29:     0x7ae7c9da2583 - rustc_query_impl[5838e3d4961b7ce3]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
  30:     0x7ae7c9d9fba5 - rustc_hir_analysis[44b7779f9b34443e]::check::wfcheck::check_mod_type_wf
  31:     0x7ae7c9d9f89d - rustc_query_impl[5838e3d4961b7ce3]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5838e3d4961b7ce3]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 1usize]>>
  32:     0x7ae7ca7d35d4 - rustc_query_system[35a24321d428aa9e]::query::plumbing::try_execute_query::<rustc_query_impl[5838e3d4961b7ce3]::DynamicConfig<rustc_query_system[35a24321d428aa9e]::query::caches::DefaultCache<rustc_span[6a00076ff7f7ecaa]::def_id::LocalModDefId, rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[5838e3d4961b7ce3]::plumbing::QueryCtxt, false>
  33:     0x7ae7ca7d337e - rustc_query_impl[5838e3d4961b7ce3]::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
  34:     0x7ae7c9d83497 - rustc_hir_analysis[44b7779f9b34443e]::check_crate
  35:     0x7ae7c9c400dd - rustc_interface[90e31f5b4a029d3a]::passes::run_required_analyses
  36:     0x7ae7ca7e1fb8 - rustc_interface[90e31f5b4a029d3a]::passes::analysis
  37:     0x7ae7ca7e1f97 - rustc_query_impl[5838e3d4961b7ce3]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5838e3d4961b7ce3]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 0usize]>>
  38:     0x7ae7ca91ac01 - rustc_query_system[35a24321d428aa9e]::query::plumbing::try_execute_query::<rustc_query_impl[5838e3d4961b7ce3]::DynamicConfig<rustc_query_system[35a24321d428aa9e]::query::caches::SingleCache<rustc_middle[602e8fb74d6cfd7]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[5838e3d4961b7ce3]::plumbing::QueryCtxt, false>
  39:     0x7ae7ca91a8f4 - rustc_query_impl[5838e3d4961b7ce3]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  40:     0x7ae7cab5affc - rustc_interface[90e31f5b4a029d3a]::passes::create_and_enter_global_ctxt::<core[c99fea247d116993]::option::Option<rustc_interface[90e31f5b4a029d3a]::queries::Linker>, rustc_driver_impl[cb2ef720636d8c5e]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
  41:     0x7ae7ca963817 - rustc_interface[90e31f5b4a029d3a]::interface::run_compiler::<(), rustc_driver_impl[cb2ef720636d8c5e]::run_compiler::{closure#0}>::{closure#1}
  42:     0x7ae7ca7c0fd2 - std[8d48930af2b37499]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[90e31f5b4a029d3a]::util::run_in_thread_with_globals<rustc_interface[90e31f5b4a029d3a]::util::run_in_thread_pool_with_globals<rustc_interface[90e31f5b4a029d3a]::interface::run_compiler<(), rustc_driver_impl[cb2ef720636d8c5e]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
  43:     0x7ae7ca7c18b4 - <<std[8d48930af2b37499]::thread::Builder>::spawn_unchecked_<rustc_interface[90e31f5b4a029d3a]::util::run_in_thread_with_globals<rustc_interface[90e31f5b4a029d3a]::util::run_in_thread_pool_with_globals<rustc_interface[90e31f5b4a029d3a]::interface::run_compiler<(), rustc_driver_impl[cb2ef720636d8c5e]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[c99fea247d116993]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  44:     0x7ae7ca7c2cab - std::sys::pal::unix::thread::Thread::new::thread_start::h7dc228a213406109
  45:     0x7ae7c44972e3 - start_thread
  46:     0x7ae7c451b2fc - __GI___clone3
  47:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: please make sure that you have updated to the latest nightly

note: please attach the file at `/home/bigsmarty/projects/rtrs/rustc-ice-2025-03-24T14_51_15-40318.txt` to your bug report

note: compiler flags: --crate-type rlib -C opt-level=3 -C embed-bitcode=no -C linker=clang -C strip=debuginfo -C link-arg=-fuse-ld=mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [fn_sig] computing function signature of `primitive::sphere::<impl at src/primitive/sphere.rs:20:1: 20:12>::material`
#1 [check_well_formed] checking that `primitive::sphere::<impl at src/primitive/sphere.rs:20:1: 20:12>::material` is well-formed
... and 2 other queries... use `env RUST_BACKTRACE=1` to see the full query stack
warning: `rtrs` (lib) generated 4 warnings (run `cargo fix --lib -p rtrs` to apply 4 suggestions)
error: could not compile `rtrs` (lib); 4 warnings emitted

Caused by:
  process didn't exit successfully: `/nix/store/cdirc57ifwi19zjbmsj5dshzd7m8r8ma-sccache-0.10.0/bin/sccache /home/bigsmarty/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc --crate-name rtrs --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=232 --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1d606345b6985bc0 -C extra-filename=-28c58b2808874cd0 --out-dir /home/bigsmarty/projects/rtrs/target/release/deps -C linker=clang -C strip=debuginfo -L dependency=/home/bigsmarty/projects/rtrs/target/release/deps --extern apecs=/home/bigsmarty/projects/rtrs/target/release/deps/libapecs-d434b8443e224e3e.rmeta --extern chrono=/home/bigsmarty/projects/rtrs/target/release/deps/libchrono-fa9ec590987264be.rmeta --extern crossterm=/home/bigsmarty/projects/rtrs/target/release/deps/libcrossterm-447d9ebd801fc6c6.rmeta --extern glam=/home/bigsmarty/projects/rtrs/target/release/deps/libglam-04081d43ae85bd69.rmeta --extern image=/home/bigsmarty/projects/rtrs/target/release/deps/libimage-56c00534f582d2dc.rmeta --extern log=/home/bigsmarty/projects/rtrs/target/release/deps/liblog-a09f23c8b152e23f.rmeta --extern rand=/home/bigsmarty/projects/rtrs/target/release/deps/librand-fb5c37a073bc0a92.rmeta --extern ratatui=/home/bigsmarty/projects/rtrs/target/release/deps/libratatui-4993cf7ba3bb402e.rmeta --extern ratatui_image=/home/bigsmarty/projects/rtrs/target/release/deps/libratatui_image-f2191a871c2bffe0.rmeta --extern rayon=/home/bigsmarty/projects/rtrs/target/release/deps/librayon-3ef9421143580e67.rmeta --extern simplelog=/home/bigsmarty/projects/rtrs/target/release/deps/libsimplelog-a18207bdbeb19aee.rmeta --extern tokio=/home/bigsmarty/projects/rtrs/target/release/deps/libtokio-780d35a130e81ef1.rmeta -C link-arg=-fuse-ld=mold` (exit status: 101)
Backtrace 

<backtrace>
   Compiling rtrs v0.1.0 (/home/bigsmarty/projects/rtrs)
warning: unused import: `crate::intersectable::Intersectable`
 --> src/primitive.rs:3:5
  |
3 | use crate::intersectable::Intersectable;
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused import: `material`
  --> src/renderables.rs:10:25
   |
10 | use crate::{lambertian, material};
   |                         ^^^^^^^^

warning: unused import: `crate::material`
 --> src/scene.rs:5:5
  |
5 | use crate::material;
  |     ^^^^^^^^^^^^^^^

warning: unused import: `rand::prelude::*`
 --> src/util/rand.rs:2:5
  |
2 | use rand::prelude::*;
  |     ^^^^^^^^^^^^^^^^


thread 'rustc' panicked at compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs:210:61:
$ident: found ImplItem(ImplItem { ident: material#0, owner_id: DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material), generics: Generics { params: [GenericParam { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).8), def_id: DefId(0:307 ~ rtrs[e135]::primitive::sphere::{impl#0}::material::'_), name: Fresh, span: src/primitive/sphere.rs:47:21: 47:22 (#0), pure_wrt_drop: false, kind: Lifetime { kind: Elided(Ampersand) }, colon_span: None, source: Generics }], predicates: [], has_where_clause_predicates: false, where_clause_span: src/primitive/sphere.rs:47:54: 47:54 (#0), span: src/primitive/sphere.rs:47:20: 47:20 (#0) }, kind: Fn(FnSig { header: FnHeader { safety: Normal(Safe), constness: NotConst, asyncness: NotAsync, abi: Rust }, decl: FnDecl { inputs: [Ty { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).12), span: src/primitive/sphere.rs:47:21: 47:26 (#0), kind: Ref(Lifetime { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).9), ident: '_#0, res: Param(DefId(0:307 ~ rtrs[e135]::primitive::sphere::{impl#0}::material::'_)) }, MutTy { ty: Ty {hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).11), span: src/primitive/sphere.rs:47:22: 47:26 (#0), kind: Path(Resolved(None, Path { span: src/primitive/sphere.rs:47:22: 47:26 (#0), res: SelfTyAlias { alias_to: DefId(0:126 ~ rtrs[e135]::primitive::sphere::{impl#0}), forbid_generic: false, is_trait_impl: false }, segments: [PathSegment { ident: Self#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).10), res: SelfTyAlias { alias_to: DefId(0:126 ~ rtrs[e135]::primitive::sphere::{impl#0}), forbid_generic: false, is_trait_impl: false }, args: None, infer_args: true }] })) }, mutbl: Not }) }], output: Return(Ty { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).13), span: src/primitive/sphere.rs:47:31: 47:54 (#0), kind: Path(Resolved(None, Path { span: src/primitive/sphere.rs:47:31: 47:54 (#0), res: Def(Struct, DefId(3:670 ~ alloc[917b]::boxed::Box)), segments: [PathSegment { ident: Box#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).19), res: Def(Struct, DefId(3:670 ~ alloc[917b]::boxed::Box)), args: Some(GenericArgs { args: [Type(Ty { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).18), span: src/primitive/sphere.rs:47:35: 47:53 (#0), kind: TraitObject([PolyTraitRef { bound_generic_params: [], modifiers: TraitBoundModifiers { constness: Never, polarity: Positive }, trait_ref: TraitRef { path: Path { span: src/primitive/sphere.rs:47:35: 47:53 (#0), res: Def(Trait, DefId(0:114 ~ rtrs[e135]::material::Material)), segments: [PathSegment { ident: material#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).14), res: Def(Mod, DefId(0:111 ~ rtrs[e135]::material)), args: None, infer_args: false }, PathSegment { ident: Material#0, hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).15), res: Def(Trait, DefId(0:114 ~ rtrs[e135]::material::Material)), args: None, infer_args: false }] }, hir_ref_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).16) }, span: src/primitive/sphere.rs:47:35: 47:53 (#0) }], TaggedRef { pointer: Lifetime { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).17), ident: #0, res: ImplicitObjectLifetimeDefault }, tag: None }) })], constraints: [], parenthesized: No, span_ext: src/primitive/sphere.rs:47:34: 47:54 (#0) }), infer_args: false }] })) }), c_variadic: false, implicit_self: RefImm, lifetime_elision_allowed: true }, span: src/primitive/sphere.rs:47:5: 47:54 (#0) }, BodyId { hir_id: HirId(DefId(0:131 ~ rtrs[e135]::primitive::sphere::{impl#0}::material).7) }), defaultness: Final, span: src/primitive/sphere.rs:47:5: 49:6 (#0), vis_span: src/primitive/sphere.rs:47:5: 47:8 (#0) })
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: rustc_hir::hir::expect_failed::<&rustc_hir::hir::Node>
   3: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::prohibit_or_lint_bare_trait_object_ty
   4: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::lower_ty
   5: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::lower_generic_args_of_path::{closure#0}
   6: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::lower_path
   7: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::lower_ty
   8: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::lower_fn_ty
   9: rustc_hir_analysis::collect::lower_fn_sig_recovering_infer_ret_ty
  10: rustc_hir_analysis::collect::fn_sig
      [... omitted 2 frames ...]
  11: <rustc_hir_analysis::collect::CollectItemTypesVisitor as rustc_hir::intravisit::Visitor>::visit_impl_item
  12: rustc_hir_analysis::check::wfcheck::check_well_formed
      [... omitted 1 frame ...]
  13: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
      [... omitted 1 frame ...]
  14: rustc_hir_analysis::check_crate
  15: rustc_interface::passes::run_required_analyses
  16: rustc_interface::passes::analysis
      [... omitted 1 frame ...]
  17: rustc_interface::passes::create_and_enter_global_ctxt::<core::option::Option<rustc_interface::queries::Linker>, rustc_driver_impl::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
  18: rustc_interface::interface::run_compiler::<(), rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: please make sure that you have updated to the latest nightly

note: please attach the file at `/home/bigsmarty/projects/rtrs/rustc-ice-2025-03-24T14_55_44-40977.txt` to your bug report

note: compiler flags: --crate-type rlib -C opt-level=3 -C embed-bitcode=no -C linker=clang -C strip=debuginfo -C link-arg=-fuse-ld=mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [fn_sig] computing function signature of `primitive::sphere::<impl at src/primitive/sphere.rs:20:1: 20:12>::material`
#1 [check_well_formed] checking that `primitive::sphere::<impl at src/primitive/sphere.rs:20:1: 20:12>::material` is well-formed
#2 [check_mod_type_wf] checking that types are well-formed in module `primitive::sphere`
#3 [analysis] running analysis passes on this crate
end of query stack
warning: `rtrs` (lib) generated 4 warnings (run `cargo fix --lib -p rtrs` to apply 4 suggestions)
error: could not compile `rtrs` (lib); 4 warnings emitted

Caused by:
  process didn't exit successfully: `/nix/store/cdirc57ifwi19zjbmsj5dshzd7m8r8ma-sccache-0.10.0/bin/sccache /home/bigsmarty/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc --crate-name rtrs --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=232 --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1d606345b6985bc0 -C extra-filename=-28c58b2808874cd0 --out-dir /home/bigsmarty/projects/rtrs/target/release/deps -C linker=clang -C strip=debuginfo -L dependency=/home/bigsmarty/projects/rtrs/target/release/deps --extern apecs=/home/bigsmarty/projects/rtrs/target/release/deps/libapecs-d434b8443e224e3e.rmeta --extern chrono=/home/bigsmarty/projects/rtrs/target/release/deps/libchrono-fa9ec590987264be.rmeta --extern crossterm=/home/bigsmarty/projects/rtrs/target/release/deps/libcrossterm-447d9ebd801fc6c6.rmeta --extern glam=/home/bigsmarty/projects/rtrs/target/release/deps/libglam-04081d43ae85bd69.rmeta --extern image=/home/bigsmarty/projects/rtrs/target/release/deps/libimage-56c00534f582d2dc.rmeta --extern log=/home/bigsmarty/projects/rtrs/target/release/deps/liblog-a09f23c8b152e23f.rmeta --extern rand=/home/bigsmarty/projects/rtrs/target/release/deps/librand-fb5c37a073bc0a92.rmeta --extern ratatui=/home/bigsmarty/projects/rtrs/target/release/deps/libratatui-4993cf7ba3bb402e.rmeta --extern ratatui_image=/home/bigsmarty/projects/rtrs/target/release/deps/libratatui_image-f2191a871c2bffe0.rmeta --extern rayon=/home/bigsmarty/projects/rtrs/target/release/deps/librayon-3ef9421143580e67.rmeta --extern simplelog=/home/bigsmarty/projects/rtrs/target/release/deps/libsimplelog-a18207bdbeb19aee.rmeta --extern tokio=/home/bigsmarty/projects/rtrs/target/release/deps/libtokio-780d35a130e81ef1.rmeta -C link-arg=-fuse-ld=mold` (exit status: 101)

@Big-Smarty Big-Smarty added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Mar 24, 2025
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Mar 24, 2025
@Big-Smarty
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basically Im trying to do this:

pub trait Foo: Sync + Send {
}

pub struct FooStruct {}

impl Foo for FooStruct {
}

pub struct Bar {
    foo: Box<dyn Foo>
}

@cyrgani
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cyrgani commented Mar 24, 2025

this is a duplicate of #138211, which is already fixed on the latest nightly

@compiler-errors
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Yep, please update your compiler :)

@compiler-errors compiler-errors closed this as not planned Won't fix, can't repro, duplicate, stale Mar 24, 2025
@fmease fmease removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Mar 25, 2025
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